A student carries out the equilibrium constant experiment following a similar procedure used in the LearnSmart Lab simulator. In the first part of the experiment, there is a contaminant which causes absorbance values to read higher than they should for the thiocyanatoiron(III) complex. The resulting Beer's law plot has a slope that is larger than it would be if the contaminant was not present. This results in a Beer's Law plot with a slope that is larger than it would be if the contaminant were not present. If the same contaminant was not present when the student carries out the second part of the experiment, how will the student's results be affected? The molarities of thiocyanatoiron(III) ion would calculate higher and the calculated K̟ values would calculate higher. The molarities of thiocyanatoiron(III) ion would calculate lower and the calculated K, values would calculate lower. The molarities of thiocyanatoiron(III) ion would calculate higher and the calculated K̟ values would calculate lower. The molarities of thiocyanatoiron(III) ion would calculate lower and the calculated K, values would calculate higher.

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A student carries out the equilibrium constant experiment following a similar procedure used in the LearnSmart Lab simulator.

In the first part of the experiment, there is a contaminant which causes absorbance values to read higher than they should for the thiocyanatoiron(III) complex. The resulting Beer's law plot has a slope that is larger than it would be if the contaminant was not present. This results in a Beer's Law plot with a slope that is larger than it would be if the contaminant were not present. If the same contaminant was not present when the student carries out the second part of the experiment, how will the student's results be affected?

- The molarities of thiocyanatoiron(III) ion would calculate higher and the calculated \( K_c \) values would calculate higher.
- The molarities of thiocyanatoiron(III) ion would calculate lower and the calculated \( K_c \) values would calculate lower.
- The molarities of thiocyanatoiron(III) ion would calculate higher and the calculated \( K_c \) values would calculate lower.
- The molarities of thiocyanatoiron(III) ion would calculate lower and the calculated \( K_c \) values would calculate higher.

The correct option is:
- The molarities of thiocyanatoiron(III) ion would calculate higher and the calculated \( K_c \) values would calculate lower.
Transcribed Image Text:A student carries out the equilibrium constant experiment following a similar procedure used in the LearnSmart Lab simulator. In the first part of the experiment, there is a contaminant which causes absorbance values to read higher than they should for the thiocyanatoiron(III) complex. The resulting Beer's law plot has a slope that is larger than it would be if the contaminant was not present. This results in a Beer's Law plot with a slope that is larger than it would be if the contaminant were not present. If the same contaminant was not present when the student carries out the second part of the experiment, how will the student's results be affected? - The molarities of thiocyanatoiron(III) ion would calculate higher and the calculated \( K_c \) values would calculate higher. - The molarities of thiocyanatoiron(III) ion would calculate lower and the calculated \( K_c \) values would calculate lower. - The molarities of thiocyanatoiron(III) ion would calculate higher and the calculated \( K_c \) values would calculate lower. - The molarities of thiocyanatoiron(III) ion would calculate lower and the calculated \( K_c \) values would calculate higher. The correct option is: - The molarities of thiocyanatoiron(III) ion would calculate higher and the calculated \( K_c \) values would calculate lower.
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